W-SD355 | Fire-Lite Wireless Photoelectric Smoke Detector with Optional Heat

Fire-Lite · Fire & Life Safety

Description  The Fire-Lite W-SD355 is a wireless photoelectric smoke detector designed for use with Fire-Lite wireless fire alarm systems. Powered by long-life lithium batteries, it provides reliable smoke detection and optional heat sensing in commercial and institutional applications.     Technical Specifications  Condition New/Never Used Surplus Brand Fire-Lite Category Fire & Life Safety Part Number W-SD355 Subcategory Smoke Detectors Detector Type Wireless Photoelectric Smoke Detector Optional Heat Detection 135°F Fixed, 15°F/min Rate-of-Rise Power Source 4× CR123A Lithium Batteries (Panasonic or Duracell) Battery Life 2 Years Typical Operating Voltage 3.3 VDC Standby Current 210 µA Alarm Current 5 mA (LED On) Communication 902–928 MHz Wireless Operating Temp (Smoke Only) 32°F to 120°F (0°C to 49°C) Operating Temp (Smoke + Heat) 32°F to 100°F (0°C to 38°C) Humidity Range 10% to 93% RH, Non-Condensing Air Velocity 0–4000 fpm (0–20 m/s) Dimensions 4.0 in Dia × 2.4 in H (installed in B501W base) Weight 8.1 oz (230 g) with Batteries and Base Certifications UL Listed Application Wireless Fire Alarm Detection     Information About W-SD355 The W-SD355 is part of Fire-Lite’s wireless fire detection line, engineered to provide the benefits of addressable detection without the need for wiring. It uses photoelectric sensing technology for early detection of smoldering fires and includes an optional heat sensor with a fixed 135°F set point and rate-of-rise capability. Communication is handled over the 902–928 MHz frequency range for dependable wireless performance. UL listed for life-safety applications, the W-SD355 integrates seamlessly with compatible Fire-Lite wireless systems for flexible and code-compliant installations. Key Features: Wireless Photoelectric Detector: Provides addressable smoke detection without wiring. Optional Heat Sensing: 135°F fixed temperature with 15°F/min rate-of-rise detection. Battery Powered: Operates on four CR123A lithium batteries with a 2-year service life. Wireless Communication: Uses 902–928 MHz frequency for reliable system integration. Low Current Draw: Maximizes battery life with efficient standby and alarm modes. Environmental Range: Operates in temperatures from 32°F to 120°F depending on mode. UL Listed: Approved for fire detection in commercial and institutional facilities. Compact Design: Low-profile detector with base for flexible placement. The W-SD355 delivers the reliability and precision required for wireless fire detection in addressable life-safety systems.

Brand: Fire-Lite · Category: Fire & Life Safety

Key features

• Wireless Photoelectric Detector: Provides addressable smoke detection without wiring.
• Optional Heat Sensing: 135°F fixed temperature with 15°F/min rate-of-rise detection.
• Battery Powered: Operates on four CR123A lithium batteries with a 2-year service life.
• Wireless Communication: Uses 902–928 MHz frequency for reliable system integration.
• Low Current Draw: Maximizes battery life with efficient standby and alarm modes.
• Environmental Range: Operates in temperatures from 32°F to 120°F depending on mode.
• UL Listed: Approved for fire detection in commercial and institutional facilities.
• Compact Design: Low-profile detector with base for flexible placement.

Specifications

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